Completed
Pull Request — master (#348)
by Marco
04:48
created

AutoloaderTest::setUp()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 6
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 4
nc 1
nop 0
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<?php
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/*
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the MIT license.
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 */
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declare(strict_types=1);
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namespace ProxyManagerTest\Autoloader;
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use PHPUnit_Framework_TestCase;
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use ProxyManager\Autoloader\Autoloader;
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use ProxyManager\FileLocator\FileLocatorInterface;
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use ProxyManager\Generator\Util\UniqueIdentifierGenerator;
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use ProxyManager\Inflector\ClassNameInflectorInterface;
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/**
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 * Tests for {@see \ProxyManager\Autoloader\Autoloader}
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 *
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 * @author Marco Pivetta <[email protected]>
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 * @license MIT
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 *
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 * @covers \ProxyManager\Autoloader\Autoloader
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 * @group Coverage
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 */
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class AutoloaderTest extends PHPUnit_Framework_TestCase
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{
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    /**
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     * @var \ProxyManager\Autoloader\Autoloader
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     */
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    protected $autoloader;
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    /**
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     * @var \ProxyManager\FileLocator\FileLocatorInterface|\PHPUnit_Framework_MockObject_MockObject
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     */
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    protected $fileLocator;
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    /**
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     * @var \ProxyManager\Inflector\ClassNameInflectorInterface|\PHPUnit_Framework_MockObject_MockObject
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     */
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    protected $classNameInflector;
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    /**
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     * @covers \ProxyManager\Autoloader\Autoloader::__construct
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     */
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    public function setUp()
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    {
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        $this->fileLocator        = $this->createMock(FileLocatorInterface::class);
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        $this->classNameInflector = $this->createMock(ClassNameInflectorInterface::class);
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        $this->autoloader         = new Autoloader($this->fileLocator, $this->classNameInflector);
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    }
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    /**
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     * @covers \ProxyManager\Autoloader\Autoloader::__invoke
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     */
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    public function testWillNotAutoloadUserClasses() : void
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    {
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        $className = 'Foo\\' . UniqueIdentifierGenerator::getIdentifier('Bar');
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        $this
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            ->classNameInflector
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            ->expects(self::once())
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            ->method('isProxyClassName')
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            ->with($className)
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            ->will(self::returnValue(false));
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        self::assertFalse($this->autoloadWithoutFurtherAutoloaders($className));
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    }
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    /**
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     * @covers \ProxyManager\Autoloader\Autoloader::__invoke
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     */
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    public function testWillNotAutoloadNonExistingClass() : void
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    {
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        $className = 'Foo\\' . UniqueIdentifierGenerator::getIdentifier('Bar');
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        $this
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            ->classNameInflector
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            ->expects(self::once())
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            ->method('isProxyClassName')
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            ->with($className)
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            ->will(self::returnValue(true));
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        $this
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            ->fileLocator
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            ->expects(self::once())
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            ->method('getProxyFileName')
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            ->will(self::returnValue(__DIR__ . '/non-existing'));
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        self::assertFalse($this->autoloadWithoutFurtherAutoloaders($className));
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    }
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    /**
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     * @covers \ProxyManager\Autoloader\Autoloader::__invoke
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     */
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    public function testWillNotAutoloadExistingClass() : void
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    {
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        self::assertFalse($this->autoloadWithoutFurtherAutoloaders(__CLASS__));
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    }
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    /**
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     * @covers \ProxyManager\Autoloader\Autoloader::__invoke
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     */
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    public function testWillAutoloadExistingFile() : void
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    {
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        $namespace = 'Foo';
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        $className = UniqueIdentifierGenerator::getIdentifier('Bar');
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        $fqcn      = $namespace . '\\' . $className;
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        $fileName  = sys_get_temp_dir() . '/foo_' . uniqid() . '.php';
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        file_put_contents($fileName, '<?php namespace ' . $namespace . '; class ' . $className . '{}');
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        $this
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            ->classNameInflector
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            ->expects(self::once())
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            ->method('isProxyClassName')
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            ->with($fqcn)
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            ->will(self::returnValue(true));
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        $this
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            ->fileLocator
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            ->expects(self::once())
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            ->method('getProxyFileName')
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            ->will(self::returnValue($fileName));
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        self::assertTrue($this->autoloadWithoutFurtherAutoloaders($fqcn));
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        self::assertTrue(class_exists($fqcn, false));
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    }
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    private function autoloadWithoutFurtherAutoloaders(string $className) : bool
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    {
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        $failingAutoloader = null;
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        $failingAutoloader = function (string $className) use (& $failingAutoloader) : void {
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            spl_autoload_unregister($failingAutoloader);
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            $this->fail(sprintf('Fallback autoloading was triggered to load "%s"', $className));
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        };
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        spl_autoload_register($failingAutoloader);
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        $result = $this->autoloader->__invoke($className);
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        spl_autoload_unregister($failingAutoloader);
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        return $result;
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    }
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}
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